CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2017	$ 83,032	$ 94,200,237	$ (122,461)	$ (68,950,742)	$ 25,210,066
Balance (in shares) at Dec. 31, 2017	83,031,595
Issuance of common stock options exercises	$ 50	21,950			22,000
Issuance of common stock options exercises (in shares)	50,000
Issuance of common stock restricted	$ 981	(981)			0
Issuance of common stock restricted (in shares)	980,851
Stock compensation expense restricted		49,884			49,884
Stock compensation expense non-qualified stock options		74,520			74,520
Foreign currency translation - (loss)			2,938		2,938
Net income (loss)				(462,173)	(462,173)
Balance at Mar. 31, 2018	$ 84,063	94,345,610	(119,523)	(69,412,915)	24,897,235
Balance (in shares) at Mar. 31, 2018	84,062,446
Balance at Dec. 31, 2018	$ 84,113	94,926,560	(186,485)	(70,407,218)	24,416,970
Balance (in shares) at Dec. 31, 2018	84,112,446
Stock compensation expense restricted		16,737			16,737
Stock compensation expense non-qualified stock options		72,529			72,529
Foreign currency translation - (loss)			(29,282)		(29,282)
Net income (loss)				384,101	384,101
Balance at Mar. 31, 2019	$ 84,113	$ 95,015,826	$ (215,767)	$ (70,023,117)	$ 24,861,055
Balance (in shares) at Mar. 31, 2019	84,112,446